The Duke and Duchess of Gloucester, and their children Lady Devine Windsor (15mths old) and Alexander Patrick Gregers Richard (4Â½ old) and Princess Alice (Duchess of Gloucester) pictured at Kirribilli House today. [Getty Images]

The Duke and Duchess of Gloucester, and their children Lady Devine Windsor (15mths old) and Alexander Patrick Gregers Richard (4Â½ old) and Princess Alice (Duchess of Gloucester) pictured at Kirribilli House today. March 01, 1979. (Photo by Kenneth Stevens/Fairfax Media via Getty Images). — see more

The Duke and Duchess of Gloucester, and their children Lady Devine Windsor (15mths old) and Alexander Patrick Gregers Richard (4Â½ old) and Princess Alice (Duchess of Gloucester) pictured at Kirribilli House today. March 01, 1979. (Photo by Kenneth Stevens/Fairfax Media via Getty Images).